Year 10 Science · Unit 2 · Lesson 20

Unit Synthesis and Depth Study Preparation

Foundation Worksheet

Name

Date

Class

Learning Goals

Recall key vocabulary and concepts from all four unit themes.
Sort concepts from across the unit into the correct theme boxes.
Demonstrate understanding of connections between acids/bases, reactions, rates, and industrial chemistry.

Warm Up

Fill the gap

Choose the correct word from the word bank to complete each sentence. Two words will NOT be used.

neutralisation exothermic catalyst concentration equilibrium decomposition indicator combustion enzyme displacement

An acid reacting with a base to form a salt and water is called . A substance that speeds up a reaction without being consumed is called a . A biological catalyst is called an . When a fuel burns in oxygen it undergoes , releasing energy, this is an reaction. A single compound breaking into simpler substances is a reaction. Increasing the of a reactant increases the reaction rate because particles collide more often. The Haber process is a reversible reaction that reaches a balance between forward and reverse reactions.

Your Turn

Sort it!

Write each concept from the pool into the correct theme box below. Each concept belongs to exactly one theme.

pH scale Iron catalyst Collision theory Neutralisation Balancing equations Haber process Surface area Combustion Fermentation Indicator (litmus) Temperature effect on rate Synthesis reaction Ocean acidification Activation energy Acid rain (SO₂ + NO₂) Decomposition reaction

Acids & Bases

Reaction Types & Equations

Reaction Rates

Industrial & Environmental Chemistry

Show What You Know

1. For each reaction type below, give one example from anywhere in this unit: (a) synthesis, (b) decomposition, (c) neutralisation, (d) combustion.

Recall 2 marks

2. Name four factors that increase the rate of a chemical reaction and briefly explain how each one works using collision theory.

Recall 2 marks

Wrap Up

In one sentence, identify the big idea that connects reaction types, reaction rates, and industrial chemistry together.